const _ = require('lodash');

const array = ['jack', 'tom', 'lucy', 'kate'];

console.log(_.first(array));
console.log(_.last(array));
console.log(_.toUpper(_.first(array)));
console.log(_.reverse(array));

const r = _.each(array, (item, index) => {
  console.log(item, index);
})
console.log(r);

array.inc